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Renderive/render_2D/render_2D/plottable/Waterfall.cpp
T
2026-08-16 03:34:17 +08:00

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16 KiB
C++

#include "Waterfall.h"
#include "Heatmap_Utils.h"
#include "Plottable_Real_Time_Data.h"
#include "../renderable/Render_Partition.h"
#include "../renderable/Renderable_p.h"
#include <renderive/renderable/Render_Frame_Completion.hpp>
#include <algorithm>
#include <deque>
#include <iomanip>
#include <optional>
#include <sstream>
#include "renderive/scheduling/Scheduler.hpp"
namespace renderive::detail {
namespace {
struct Waterfall_Row {
int tick{};
std::vector<double> values;
};
struct Waterfall_Interaction {
Hover_Tooltip_Runtime tooltip;
};
using Waterfall_History = Plottable_History_Real_Time_Data<Waterfall_Row, std::deque<Waterfall_Row>>;
using Waterfall_Interaction_State = Published_State_Storage<Waterfall_Interaction>;
struct Waterfall_Prepare_Buffer {
::renderive::Waterfall::Properties properties;
std::deque<Waterfall_Row> rows;
Waterfall_Interaction interaction;
Axis_Raster_Layout layout;
Frequency_Columns columns;
Axis_Transform frequency_axis;
std::vector<Pixel> pixels;
RectF tooltip_box;
std::string tooltip_text;
int source_width{};
int source_height{};
int active_partitions{1};
std::size_t work_size{};
bool valid{};
};
std::size_t waterfall_work_size(const ::renderive::Waterfall::Properties& state,
const std::deque<Waterfall_Row>& rows,
const Axis_Transform& frequency_axis) {
if (rows.empty())
return 0;
const auto shortest = std::min_element(
rows.begin(), rows.end(),
[](const auto& left, const auto& right) {
return left.values.size() < right.values.size();
});
const int source_width = std::max(
0, std::min(state.frequency_bin_count.get(),
static_cast<int>(shortest->values.size())));
const auto columns = frequency_columns(state.frequency_range,
frequency_axis.coordinate_range,
source_width,
state.visible_range_only);
return columns
? static_cast<std::size_t>(columns->last - columns->first + 1) * rows.size()
: 0;
}
}
struct Waterfall::Impl
: next_Impl<Impl>,
Renderable_Event_Handler,
::Render_Frame_Completion {
struct Observer : next_Observer {
static void handle(Impl& impl,
const Renderable_Event_View& observation) {
if (observation.event == Renderable_Observer_Event::Published)
impl.interaction.publish();
}
};
Impl(renderive_Owner<Frequency_Axis> frequency,
renderive_Owner<Time_Axis> time)
: frequency_axis(std::move(frequency)), time_axis(std::move(time)) {}
renderive_Owner<Frequency_Axis> frequency_axis;
renderive_Owner<Time_Axis> time_axis;
std::optional<Waterfall_History> rows;
Waterfall_Interaction_State interaction;
Adaptive_Render_Partitioner partitioner;
Waterfall_Prepare_Buffer prepare_buffer;
void prepare_render_frame(const Render_State_View& state, int graph_partition_count);
void paint_render_frame(Painter& painter, const Render_State_View& state);
void render_partition(int partition_index);
protected:
void prepare_frame(const Prepare_Render_Context& context) override;
void paint(Painter& painter, const Paint_Render_Context& context) override;
void build_prepare_graph(Renderable_Graph_Builder& builder) override;
void build_paint_graph(Renderable_Graph_Builder& builder) override;
private:
void handle_event(const Event& event) override;
void render_frame_completed(std::uint64_t target_interval_ns) override;
};
Waterfall::Waterfall(const State& state,
renderive_Owner<Frequency_Axis> frequency_axis,
renderive_Owner<Time_Axis> time_axis)
: Renderable(With_Attached_Impl<Impl>{}, state,
std::move(frequency_axis), std::move(time_axis)) {
d_func<Impl>().rows.emplace(*this);
}
Waterfall::~Waterfall() = default;
void Waterfall::append_row(int tick, std::span<const double> values) {
const std::size_t limit = static_cast<std::size_t>(
std::max(2, d_func<Impl>().time_axis->get<
&::renderive::Time_Axis::Properties::visible_count>()));
if (get_state<State, &State::frequency_bin_count>() <= 0)
set_state<State, &State::frequency_bin_count>(
static_cast<int>(values.size()));
d_func<Impl>().rows->update({tick, {values.begin(), values.end()}}, limit);
d_func().render_graph_changed();
}
void Waterfall::append_row(int tick, std::pmr::vector<double>&& values) {
append_row(tick, std::span<const double>(values.data(), values.size()));
}
void Waterfall::append_row(Time_Of_Day time, std::span<const double> values) {
append_row(d_func<Impl>().time_axis->append_time(time), values);
}
void Waterfall::append_row(Time_Of_Day time, std::pmr::vector<double>&& values) {
append_row(time, std::span<const double>(values.data(), values.size()));
}
std::size_t Waterfall::row_count() const {
return d_func<Impl>().rows->size();
}
std::size_t Waterfall::stored_point_count() const {
const auto rows = d_func<Impl>().rows->snapshot();
std::size_t count{};
for (const auto& row : rows)
count += row.values.size();
return count;
}
std::size_t Waterfall::rendered_cell_count() const {
const auto state = Renderable::state<State>();
const auto rows = d_func<Impl>().rows->snapshot();
if (rows.empty())
return 0;
const int source_width = std::min(state.frequency_bin_count.get(), static_cast<int>(std::min_element(rows.begin(), rows.end(), [](const auto& left, const auto& right) {
return left.values.size() < right.values.size();
})->values.size()));
if (source_width <= 0)
return 0;
const auto columns = frequency_columns(
state.frequency_range,
d_func<Impl>().frequency_axis->get<&Axis_Properties::coordinates>(),
source_width,
state.visible_range_only);
return columns ? static_cast<std::size_t>(columns->last - columns->first + 1) * rows.size() : 0;
}
void Waterfall::Impl::handle_event(const Event& event) {
auto& control = static_cast<Waterfall&>(owner());
bool updated{};
interaction.update([&](Waterfall_Interaction& interaction) {
updated = update_hover_tooltip(interaction.tooltip, event);
});
if (updated)
changed();
}
void Waterfall::Impl::build_prepare_graph(Renderable_Graph_Builder& builder) {
auto& control = static_cast<Waterfall&>(owner());
const auto view = render_state_view();
const auto state = control.state<State>();
const auto& published_rows = view.get(*rows);
const std::size_t work_size = waterfall_work_size(
state, published_rows, frequency_axis->transform(view));
const int partition_count = partitioner.graph_partition_count(
state.partition_mode, state.partition_count.get(),
static_cast<int>(renderive::scheduling::scheduler_concurrency()), work_size, 4096);
const auto prepare = add_prepare_task(
builder, "prepare", "Prepare Waterfall",
[this, partition_count](const Prepare_Render_Context& context) {
prepare_render_frame(context.frame.render_state, partition_count);
if (context.metrics) {
context.metrics->set(Node_Metric_Kind::input_count,
prepare_buffer.rows.size());
context.metrics->set(Node_Metric_Kind::chunk_size,
prepare_buffer.work_size /
std::max(1, prepare_buffer.active_partitions));
}
});
std::vector<Renderable_Graph_Builder::Task> partitions;
partitions.reserve(static_cast<std::size_t>(partition_count));
for (int index = 0; index < partition_count; ++index) {
const auto partition = builder.emplace(
"chunk_prepare:" + std::to_string(index),
"Waterfall Chunk " + std::to_string(index + 1) + " Prepare",
[this, index](const Prepare_Render_Context& context) {
render_partition(index);
if (context.metrics) {
const auto range = render_partition_range(
prepare_buffer.work_size, index,
prepare_buffer.active_partitions);
context.metrics->set(Node_Metric_Kind::prepared_cells,
range.last - range.first);
}
});
builder.precede(prepare, partition);
partitions.push_back(partition);
}
}
void Waterfall::Impl::build_paint_graph(Renderable_Graph_Builder& builder) {
auto& control = static_cast<Waterfall&>(owner());
const auto paint_image = add_paint_task(
builder, "paint", "Paint Waterfall",
[this](Painter& painter, const Paint_Render_Context& context) {
paint_render_frame(painter, context.frame.render_state);
if (context.metrics)
context.metrics->set(Node_Metric_Kind::pixel_count,
prepare_buffer.work_size);
});
const auto view = render_state_view();
const auto state = control.state<State>();
const auto& published_rows = view.get(*rows);
const std::size_t work_size = waterfall_work_size(
state, published_rows, frequency_axis->transform(view));
const int count = partitioner.graph_partition_count(
state.partition_mode, state.partition_count.get(),
static_cast<int>(renderive::scheduling::scheduler_concurrency()), work_size, 4096);
if (count == 0) {
builder.precede(builder.find("prepare"), paint_image);
}
else {
for (int index = 0; index < count; ++index)
builder.precede(builder.find("chunk_prepare:" + std::to_string(index)),
paint_image);
}
}
void Waterfall::Impl::prepare_render_frame(const Render_State_View& view,
int graph_partition_count) {
auto& control = static_cast<Waterfall&>(owner());
const auto& state = control.render_state<State>(view);
const auto& published_rows = view.get(*rows);
auto& output = prepare_buffer;
output = {};
output.properties = state;
output.rows.assign(published_rows.begin(), published_rows.end());
output.interaction = view.get(interaction);
if (published_rows.empty())
return;
const int source_width = std::min(state.frequency_bin_count.get(), static_cast<int>(std::min_element(published_rows.begin(), published_rows.end(), [](const auto& left, const auto& right) {
return left.values.size() < right.values.size();
})->values.size()));
const int height = static_cast<int>(published_rows.size());
if (source_width <= 0 || height <= 0)
return;
const Axis_Transform published_frequency_axis = frequency_axis->transform(view);
const Axis_Transform published_time_axis = time_axis->transform(view);
const auto columns = frequency_columns(state.frequency_range, published_frequency_axis.coordinate_range,
source_width, state.visible_range_only);
if (!columns)
return;
const int width = columns->last - columns->first + 1;
const Range time_range = published_rows.size() == 1
? published_time_axis.coordinate_range
: Range{
static_cast<double>(published_rows.front().tick),
static_cast<double>(published_rows.back().tick)
};
const auto layout = axis_raster_layout(published_frequency_axis, published_time_axis, columns->range,
time_range, width, height);
if (!layout.valid())
return;
output.layout = layout;
output.columns = *columns;
output.frequency_axis = published_frequency_axis;
output.source_width = width;
output.source_height = height;
output.work_size = static_cast<std::size_t>(width) * height;
output.pixels.resize(output.work_size);
output.active_partitions = partitioner.begin(graph_partition_count,
output.work_size);
if (state.tooltip_enabled && output.interaction.tooltip.active &&
output.layout.target.contains(output.interaction.tooltip.position)) {
const double frequency = published_frequency_axis.point_to_coord(
output.interaction.tooltip.position);
std::ostringstream text;
text << std::fixed << std::setprecision(2) << frequency << " Hz";
output.tooltip_text = text.str();
output.tooltip_box = {
output.interaction.tooltip.position.x + 8.0,
output.interaction.tooltip.position.y + 8.0,
110.0, 24.0
};
}
output.valid = true;
}
void Waterfall::Impl::render_partition(int partition_index) {
auto& output = prepare_buffer;
if (!output.valid || partition_index >= output.active_partitions)
return;
const auto& state = output.properties;
const auto& rows = output.rows;
const auto range = render_partition_range(output.work_size, partition_index,
output.active_partitions);
for (std::size_t cell = range.first; cell < range.last; ++cell) {
const int y = static_cast<int>(cell / static_cast<std::size_t>(output.source_width));
const int x = static_cast<int>(cell % static_cast<std::size_t>(output.source_width));
const auto& row = rows[static_cast<std::size_t>(y)].values;
output.pixels[output.layout.index(x, y, output.source_width, output.source_height)] =
state.color_map.at_normalized(normalized_value(
row[static_cast<std::size_t>(output.columns.first) + static_cast<std::size_t>(x)],
state.power_range));
}
}
void Waterfall::Impl::paint_render_frame(Painter& painter,
const Render_State_View& view) {
auto& control = static_cast<Waterfall&>(owner());
const auto& output = prepare_buffer;
if (!output.valid)
return;
const auto& paint_state = control.render_state<State>(view);
painter.heatmap(output.layout.target, output.layout.width, output.layout.height,
output.pixels, paint_state.interpolation_mode);
if (!output.tooltip_text.empty()) {
painter.rect(output.tooltip_box, Pen{paint_state.tooltip_text_pen.color},
paint_state.tooltip_background_brush);
painter.text({output.tooltip_box.x + 4.0, output.tooltip_box.y + 3.0},
output.tooltip_text, paint_state.tooltip_font,
paint_state.tooltip_text_pen);
}
}
void Waterfall::Impl::render_frame_completed(
std::uint64_t target_interval_ns) {
auto& control = static_cast<Waterfall&>(owner());
const auto& output = prepare_buffer;
if (!output.valid || !control.is_visible())
return;
const auto& state = output.properties;
if (partitioner.finish(
state.partition_mode, output.active_partitions, target_interval_ns,
static_cast<int>(renderive::scheduling::scheduler_concurrency()),
output.work_size, 4096))
render_graph_changed();
}
void Waterfall::Impl::prepare_frame(const Prepare_Render_Context& context) {
prepare_render_frame(context.frame.render_state, 1);
render_partition(0);
}
void Waterfall::Impl::paint(Painter& painter,
const Paint_Render_Context& context) {
paint_render_frame(painter, context.frame.render_state);
}
}